[  521.804396] bond0: (slave eth0): making interface the new active one
[  521.804508] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.962847] bond0: (slave eth0): Releasing backup interface
[  526.041047] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.187599] bond0: (slave eth0): Releasing backup interface
[  530.223575] bond0 (unregistering): Released all slaves